Question: A random variable Z has probability distribution given by where c is a constant. Determine (a) The value of c. (b) Pr(X (c) E(X). (d)

A random variable Z has probability distribution given by
A random variable Z has probability distribution given by where c

where c is a constant. Determine
(a) The value of c.
(b) Pr(X (c) E(X).
(d) Var(X).

x=1. 2. 3, 4, 5 Pr(X=x)=1c(6-x), 0, otherwise,

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